Annual Information Update

Porvair PLC
26 March 2008


           Annual Information Update for Porvair plc (the 'Company')

In accordance with Prospectus Rule 5.2, the Company sets out below a summary of
the information that has been published or made available to the public over the
previous twelve months, up to and including 26 March 2008.

The information referred to in this Annual Information Update was up-to-date at
the time it was published but such disclosures may now be or may at any time
become out-of-date due to changing circumstances.

1. Announcements made via a Regulatory Information Service

All of the announcements listed below can be obtained from the London Stock
Exchange website: www.londonstockexchange.com.

Date of Announcement      Brief Description of Announcement

19 March 2008             Blocklisting Interim Review
11 March 2008             Filing of documents
27 February 2008          Participation in EU Project
29 January 2008           Re Agreement
29 January 2008           Preliminary Results
19 December 2007          Holding(s) in Company
10 December 2007          Holding(s) in Company
10 December 2007          Trading Statement
02 October 2007           Lease of larger factory
02 October 2007           Directorate Change
02 October 2007           Director/PDMR Shareholding
31 July 2007              Total Voting Rights
30 July 2007              Director/PDMR Shareholding
26 June 2007              Interim Results
15 June 2007              Additional Listing
06 June 2007              Trading Update
05 June 2007              Annual Information Update
31 May 2007               Notice of Results
18 April 2007             Results of AGM
17 April 2007             Re Contract
19 March 2007             Holding in Company
19 March 2007             Holding in Company

2. Documents filed at the Companies Registry

Copies of these documents can be obtained from the Companies House website at
www.companieshouse.gov.uk or from Companies House, Crown Way, Cardiff CF14 3UZ.

Date                      Document Filed
20 November 2007          288b - Director resigned
31 May 2007               Annual return made up to 05 April 2007
31 May 2007               Annual report and accounts made up to 30 November 2006
30 April 2007             Resolutions dated 17 April 2007 to alter articles, 
                          purchase ordinary shares at 2p, authorise allotment of
                          shares and disapply pre-emption rights

3. Documents published and sent to Shareholders

Date                      Document
6 March 2008              Annual report and accounts dated 30 November 2007
6 March 2008              Notice of the annual general meeting and form of proxy
6 March 2008              Electronic communications letter
19 July 2007              Interim Results


4. Documents filed with the UKLA Document Viewing Facility

Copies of the following documents were sent to the Document Viewing Facility of
the FSA and can be viewed at the UK Listing Authority, The Financial Services
Authority, 25 The North Colonnade, Canary Wharf, London E14 5HS.

Date                      Document
11 March 2008             Long Term Incentive Plan proposed to be adopted
6 March 2008              Annual report and accounts for the year ended 30 
                          November 2007, notice of the annual general meeting 
                          and form of proxy
6 March 2008              Clean and blackline versions of new articles of 
                          association proposed to be adopted by the Company
19 July 2007              Interim report for 2007
18 April 2007             Special resolutions passed on special business of AGM

Copies of all documents referred to above are also available from the Company
Secretary, Porvair Plc, Brampton House, 50 Bergen Way, North Lynn Industrial
Estate, King's Lynn, Norfolk, PE30 2JG.

26 March 2008



                      This information is provided by RNS
            The company news service from the London Stock Exchange